Add basic collections.namedtuple implementation.
diff --git a/py/qstrdefs.h b/py/qstrdefs.h
index 9f00277..f1ba14a 100644
--- a/py/qstrdefs.h
+++ b/py/qstrdefs.h
@@ -57,6 +57,7 @@
 Q(callable)
 Q(chr)
 Q(classmethod)
+Q(collections)
 Q(complex)
 Q(dict)
 Q(dir)
@@ -77,6 +78,7 @@
 Q(map)
 Q(max)
 Q(min)
+Q(namedtuple)
 Q(next)
 Q(ord)
 Q(path)